Carrillo-Bernal, M. A., 		Martínez-y-Romero, R. P., 		Núñez-Yépez, H. N., 		Salas-Brito, A. L., AND 		Solís, Didier.
" On physical analysis of numerical methods  in the 1D Coulomb problem" <em>Quarterly Physics Review</em> [Online], Volume 3 Number 3 (1 October 2017)